Title of article :
Some sandwich theorems for meromorphic univalent functions defined by Hadamard product of integral operators
Author/Authors :
Galib Atshan, Waggas Department of Mathematics - College of Science - University of Al-Qadisiyah - Al-Diwaniyah, Iraq , Hassan Mahdy, Suad Department of Mathematics - College of Education for Girls - University of Kufa - Najaf, Iraq
Abstract :
In the present paper, we obtain some subordination and superordination results, involving the operator
Ta for functions of the form f(z) = z−1 +
P∞
k=1 akzk, which are meromorphic univalent in the
punctured open unit disk these results are applied to obtain sandwich results.
Keywords :
Analytic function , Univalent subordination , Superordination Hadamard (convolution) , Sandwich theorems
Journal title :
International Journal of Nonlinear Analysis and Applications